Gauge for cutting tools



Fepmzs, 1932.

A. Knol.

GAUGE FOR CUTTING TOOLS Filed March 1'2, 19:50 2 sheets-sheet l fda/M Imi,

A fforey Feb. 23, 1932. A. KROL.

GAUGE FOR CUTTING TOOLS Filed March l2, 193 2 Sheet'S-She'et Z, w Z m A torney Patented Feb. 23, 1932 UNITED STATES ADAM KROL, OF SOUTH BEND, INDIANA GAUGE FOR CUTTING TOOLS Application led March 12, 1930. Serial No. 435,136.

This invention relates broadly tofgauges, and has more particular reference to av gauge especially adapted for cutting tools.

A primary object of this invention is to provide a gauge for accurately gauging a cutting tool and to provide certain new and novel improvements in this type of gauge.

A still further object of the invention is to provide a gauge of this character which is l comparatively simple in construction, thoroughly reliable, practical and eiiicient in operation, and otherwise well adapted for the purpose designed.

Other objects and advantages of the invention will become apparent during a study of the following description, taken in connection with the accompanying drawings:

Figure 1 is a side elevational view of my improved gauge showing its manner of use 29 with a cutting tool,

Figure 2 is a vertical sectional view taken therethrough,

Figure 3 is a plan view of a retaining bolt forming part of the invention, 215 Figure 4 is a transverse sectional View taken substantially on the line 4 4 of Figure 3,

Figure 5 is a top plan view of the template forming part of the gauge,

Figure 6 is bottom plan view of the template,

Figure 7 is a right end view of Figure 1,

Figure 8 is a fragmentary end elevation of the retaining bolt looking at the headed end of the bolt,

Figure 9 is a transverse sectional view taken substantially on the line 9-9 of Figure 2. lVith reference more in detail, it will be seen that my improved gauge comprises a template designated generally by the referi ence character T. The template T comprises a substantially rectangular body 5 in the form of a block formed of any suitable material, and at the top thereof, has rising therefrom a longitudinally extending tongue 6. At said top, the body 5 of the template is provided with a longitudinally extending groove 7.

Formed integrally with the body 5 and a extending downwardly from one end thereof is a block 8, the free vertical edge thereof of which is cut awayto provide a longitudinally extending groove 9 of V-shaped formation in cross section, the groove 9 constituting aseat for the shank Si of a cutting tool designated generally by the reference character C (see Figure 1).

A gauge plate is designated generally by the reference character 10. The gauge plate 10 may be formed from a. lat piece of metal tapering longitudinally toward its lower end as shown to advantage in Figure 1. The plate 10 at its narrow end is adapted to be disposed against the inner face of the tongue (i and the edge of the plate at said narrowest end is adapted tobe slidably received within the groove 7. Y

Adjacent the lower edge thereof the plate 10 is provided with a horizontal elongated slot 11. At its bottom edge, the body 5 ofthe template is provided with a notch 12 opening inwardly from the said bottom edge of the body. The body 5 is further provided with a vertically extending bore 13 communicating with the notch 12 as clearly shown to advantage in Figure 2.

A retaining boltV 14 is slidable within the bore 13 and the shank of the bolt 14 is provided with a longitudinally extending notch 15 thus forming on the bolt a lateral head 16 adapted to extend into the groove 11, while at its other end the cylindrical part of the bolt is threaded as at 17, and this threaded end 17 is adapted to extend into the notch 12.

A knob 18 is provided with an internally threaded bore adapted for threaded engagement with the threaded end 17 of the bolt 14 within the notch 12 as clearly shown to advantage in Figure 1.

lVhen the parts are in that position shown to advantage in Figure 1 it is obvious that by rotating the knob 18 in one direction, the retaining bolt V14 will be drawn through the bore 13 and the head 16 engaging in the notch 11 will retain the plate 10 vertically positioned and parallel to the tongue 6, and in any predetermined longitudinally adjusted position with respect to the body 5. To retain the bolt 14 within the bore 13, and further to retain the bolt against rotative movement there is threaded through the body 5 of the template or jig a set screw 18 the inner end of which bights against the flat face of the bolt.

The operation of the device may be briefly explained as follows:

The cutting tool to be gauged has the shank thereof seated within the groove or seat 9 and the pla-te 10 is then positioned so that the free end of the blade of the cutting tool will contact the adjacent inclined edge of the plate 10 at one end of the plate 10 as shown to advantage in Figure 1.

For retaining` the plate 10 in this gauging po-sition, obviously, the knob 18 may be rotated thus drawing the shank 14 downwardly consequently urging the lower edge of the plate 10 inwardly of the groove 7 for securely retaining the plate 1() in this gauging position.

It is thought that from the foregoing description, taken in connection with the accompanying drawings, a clear understanding of the operation, construction, utility and advantages of this invention will. be had by those skilled in the art Without a more detailed description.

Even though I have herein shown and described the preferred embodiment of my invention, it is to be understood that the same is susceptible to changes fully comprehended by the spirit of the invention as herein described and the scope ofthe appended claims.

Having thus described my invention, what I claim as new is:

1. In a gauge for cutting tools, a block like body member having an integral tongue projecting from one edge thereof, said body member adjacent one end thereof provided with a tool shank receiving seat extending at right angles to the tongue, and a. gauge plate adapted to have one edge thereof disposed in abutting relation with said one edge of said body member, said plate being disposed parallel to said tongue, and having an inclined edge adapted to abut the blade of the tool and means for securing said gauge plate in position on said body.

2. A gauge for cutting tools comprising in combination a block like body provided on the top edge thereof with an integral tongue extending for substantially the full length of the body, said body at said top provided with a longitudinally extending groove, means integral with said body at one end thereof for accommodating the shank of a tool and for retaining the shank in spaced relation to said one end of said body, a gauge plate having one edge thereof receivable in the groove and having an inclined edge adapted to contact with the blade of the tool to be gauged.

3. In a gauge for cutting tools, a block like body member provided adjacent one end thereof with a vertically disposed tool shank accommodating seat, said body member at the top thereof provided with a longitudinally extending groove, a gauge plate hav ing one edge thereof adapted to be accommodated in said groove, means engageable with said body member and said plate for retaining the same in a substantially vertical position on said body member, with one edge of the plate contacting the blade of the tool to be gauged.

4. A gauge for the purpose specified comprising a substantially block like body provided on the top 4edge thereof with a longitudinally extending groove, means adjacent one end of the body for accommodating the shank of a vertically disposed tool to be gauged, a plate having one edge thereof adapted to be accommodated in said groove with a second edge of the plate contacting the blade of the tool, and means for retaining the plate in fixed position with respect to the body, said last mentioned means including a bolt slidable through said body, said bolt provided at one end with means for engaging said plate, and a knob threadedly engaging the opposite end of the bolt and cooperable with said body for retaining the first mentioned end of the bolt in engagement with the plate.

5. A gauge for the purpose specified comprising two integral block like members arranged at substantially right angles to one another, one of said members on one edge thereof provided with a longitudinally extending groove, and the other of said members on one side thereof provided with a longitudinally extending groove extending at right angles to the first mentioned groove, a gauge plate having an edge thereof adapted to be received in the first mentioned groove, and the other of said block like members adapted to accommodate in its groove the shank of a tool with the blade of the tool en gaging a free edge of the gauge plate.

6. A gauge of the character described comprising a substantially block like body provided on the upper edge thereof with an integral tongue rising vertically therefrom, said body on said edge provided with a longitudinally extending groove, a gauge plate having one edge thereof adapted to be received in said groove, there being a slot in said plate and said plate extending parallel to said tongue, a bolt carried by said body, and having at one end thereof a lateral head engageable in the slot in said plate, means cngageable with the bolt for retaining the plate in fixed position on said body, and said body adj accnt one end thereof provided with means for accommodating a tool, with the blade of the tool contacting a free edge of said plate.

In testimony whereof I affix my signature.

ADAM KROL. 

